Condensed Consolidated Balance Sheets - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Document Period End Date	Sep. 30, 2018
Current assets
Cash and cash equivalents	$ 304.4	$ 535.2
Restricted cash	139.3	8.0
Short-term investments	5.0	81.4
Trade receivables, less allowances for doubtful accounts of $55.3 and $71.7, respectively	818.1	830.1
Inventories	846.5	728.9
Prepaid expenses	60.4	65.7
Income taxes	66.5	73.4
Other current assets	201.4	177.6
Total current assets	2,441.6	2,500.3
Securities and other investments	24.1	96.8
Property, plant and equipment, net of accumulated depreciation and amortization of $441.0 and $418.8, respectively	320.8	364.5
Goodwill	883.3	1,117.1
Deferred income taxes	256.2	293.8
Intangible assets, net	671.6	773.8
Other assets	100.2	95.8
Total assets	4,697.8	5,242.1
Current liabilities
Notes payable	52.7	66.7
Accounts payable	554.7	562.2
Deferred revenue	365.3	437.5
Payroll and other benefits liabilities	173.8	198.9
Other current liabilities	433.1	531.4
Total current liabilities	1,579.6	1,796.7
Long-term debt	2,337.0	1,787.1
Pensions, post-retirement and other benefits	260.7	266.4
Deferred income taxes	240.7	287.1
Other liabilities	102.9	111.3
Commitments and contingencies
Redeemable noncontrolling interests	154.2	492.1
Diebold Nixdorf, Incorporated shareholders' equity
Preferred shares, no par value, 1,000,000 authorized shares, none issued	0.0	0.0
Common shares, $1.25 par value, 125,000,000 authorized shares, 91,267,246 and 90,524,360 issued shares, 76,115,029 and 75,558,544 outstanding shares, respectively	114.1	113.2
Additional capital	743.6	721.5
Retained earnings	(3.2)	393.6
Treasury shares, at cost (15,152,217 and 14,965,816 shares, respectively)	(570.4)	(567.4)
Accumulated other comprehensive loss	(291.5)	(196.3)
Total Diebold Nixdorf, Incorporated shareholders' equity	(7.4)	464.6
Noncontrolling interests	30.1	36.8
Total equity	22.7	501.4
Total liabilities, redeemable noncontrolling interests and equity	4,697.8	5,242.1
Customer relationships, net
Current assets
Intangible assets, net	559.7	633.3
Other intangible assets, net
Current assets
Intangible assets, net	$ 111.9	$ 140.5